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Subject: Re: LNC2 Tires revisited
From: Lorn H Olsen <lorn@dynacomm.us>
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References: <5DAF91F3-6C69-4A3E-8FAD-628693EB5494@dynacomm.us>

I went south to Saint Simons Island, Ga on Tuesday, 12/28/10. On Friday, =
12/31/10, while preflighting I noticed that the right main tire was at =
25 psi rather than the 70 psi that I had when I took off last time.

My prior flat was on the left main. The right main has been on and OK =
and nitrogen filled for the last 8 to 12 months.

Before pulling the wheel, the mechanic, who just so happened to have a =
new bag of them, suggested that I try changing the Schrader valve.

I changed the valve on Friday, 12/31/10. Today, after flying back to =
Detroit, and 2 landings, the tire still has full pressure. I am so happy =
that I didn't have to change the tire prematurely.

Although always suggested, I have never seen a Schrader valve go bad at =
mid tire life. =46rom now on, I will be carrying a couple of spare =
Schrader valves, just in case.

Lorn

> From: Lorn H Olsen <lorn@dynacomm.us>
> Date: December 25, 2010 6:28:22 AM EST
> To: Lancair List <lml@lancaironline.net>
> Subject: Re: LNC2 Tires revisited
>=20
> Scott,
>=20
> After my last flat (just like yours) at about 40 psi, I talked to =
Dresser and queried the LML. 6 out of 10 from the LML and Dresser =
thought that 70 PSI would be OK. I am now keeping the tires at 60 to 70 =
psi. The ride is rough but I haven't had a flat yet.
>=20
> So far the wear pattern still looks good.
>=20
> On the inside of my old tire, you could see the thread coming through =
the rubber. I sent the tire back to Desser and they sent me a new tire =
and tube. Good customer service.
>=20
> Lorn
>=20
>> From: Sky2high@aol.com
>> Date: December 24, 2010 2:30:06 PM EST
>>=20
>> 235/320/360 Tires, Legacy nose tire:
>>=20
>> Well, I did it.....  I let my Lancair 320's main tire pressure hover =
around 40+ psi and the left main tube was wearing on the inboard side =
even though I am using Desser tires.  Same old pinhole tube leak result =
when I found it flat.
>> .
>> .
>> .
>> I will endeavor to keep the pressure at least at 48-50 psi.
>>=20
>> BTW, I also bought replacement tires and tubes from Desser - =
interesting...........
>>=20
>> The old tire was marked:
>> Light Sport Experimental Aircraft Use
>> Max Speed 62 MPH
>>=20
>> The new tire:
>> Max Speed 100 MPH
>> Made in Vietnam
>>=20
>> Both had the same information:
>> Load Range D
>> Load Rating 500 Lbs @ 70 psi
>> Tubeless
>>=20
>> The tubes were different also in that the old stem was marked "Rim =
master" and the new one with "Whitehorse".  The new one also  had "Leak =
Guard" and "Butyl Tube" printed on it.
>>=20
>> Oh well, they have the same part number.  Time will tell if the new =
ones are better.
>>=20
>> Scott Krueger

--
Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, Inst
DynaComm, Corp., 248-345-0500, mailto:lorn@dynacomm.us
LNC2, FB90/92, O-320-D1F, 1,790 hrs, N31161, Y47, SE Michigan